To determine which insulation material is the best choice for preventing heat transfer and keeping ice cold, we would need to analyze the data regarding the amount of melted ice for each material used as insulation. Since the specific results from the experiment (amount of water collected, remaining ice mass, etc.) aren't provided here, I can provide a general guideline for making a decision based on typical properties of insulation materials.
Among the listed options:
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Styrofoam is known for its excellent insulating properties due to the air pockets trapped within its structure. It is commonly used in coolers for this reason.
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Bubble wrap also provides good insulation because of the air trapped in the bubbles, but it might not be as effective as styrofoam in a solid form.
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Cotton batting, cardboard, and newspaper provide insulation as well, but they may not be as effective as styrofoam.
Based on the general effectiveness of materials, styrofoam would typically be the best choice for this task as it is specifically designed for insulation and is highly effective in reducing heat transfer.
In conclusion, if the results indicated that styrofoam had the least amount of melted ice, it would be your first choice. If no data is provided, you can choose based on the information explained regarding the insulation properties of the materials.